/Engine/Source/Developer/SourceCodeAccess/Public/ISourceCodeAccessor.h
Add a group of source files to the current solution/project/workspace
true if the files could be added, false otherwise
bool AddSourceFiles ( const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & AbsoluteSourcePaths, const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & AvailableModules )